FortiGate units running 5.2.9
FortiGate units running 5.2.9 and managed by FortiManager 5.0.0 or 5.2.0 may report installation failures on newly created VDOMs, or after a factory reset of the FortiGate unit even after a retrieve and re-import policy.
For the latest information, see the FortiManagerand FortiOS Compatibility.
Firewall services
Downgrading from 5.2.3 to 5.2.2 may cause the default protocol number in the firewall services to change. Double check your configuration after downgrading to 5.2.2.
FortiPresence
For FortiPresence users, it is recommended to change the FortiGate web administration TLS version in order to allow the connection.
config system global set admin-https-ssl-versions tlsv1-0 tlsv1-1 tlsv1-2
end
SSL VPN setting page
The default server certificate has been changed to the Fortinet_Factory option. This excludes FortiGateVMs which remain at the self-signed option. For details on importing a CA signed certificate, please see the How to purchase and import a signed SSL certificate document.
Upgrade Information
Upgrading from FortiOS 5.2.6 or later
FortiOS version 5.2.9 officially supports upgrade from version 5.2.6 or later.
Upgrading from FortiOS 5.0.12 or later
FortiOS version 5.2.9 officially supports upgrade from version 5.0.12 or later.
When upgrading from a firmware version beyond those mentioned in the Release Notes, a recommended guide for navigating the upgrade path can be found on the Fortinet documentation site.
There is separate version of the guide describing the safest upgrade path to the latest patch of each of the supported versions of the firmware. To upgrade to this build, go to FortiOS 5.2 Supported Upgrade Paths
Downgrading to previous firmware versions
Downgrading to previous firmware versions results in configuration loss on all models. Only the following settings are retained:
- operation mode
- interface IP/management IP
- static route table
- DNS settings
- VDOM parameters/settings
- admin user account
- session helpers
- system access profiles.
FortiGate VM firmware
Fortinet provides FortiGate VM firmware images for the following virtual environments: